Traffic Signal Philips Family of Specialty Incandescents provide the perfect light for a variety of professional and consumer applications.This clear incandescent is ideal for traffic signal lighting. Clear, Medium base A-shape lamp*;Available in 67, 69, and 116 Watts A-21 shape.;*Pursuant to California law, these incandescent lamps cannot be used or offered for sale for traffic signals in the State of California. Ideal for traffic signal and pedestrian walkway lighting.